No.
The square root of 81/(-3) is rational.
The square root of [81/(-3)] is imaginary (a kind of complex number).
No, it is not even a real number. It is an imaginary number.
No.
The square root of 8 over 25 is irrational, and real.
The square root of (any number that isn't a perfect square) is irrational.
it is irrational because you just keep writing the same number over and over again!
It is real and irrational.
The result would be an irrational number
It is an irrational number because it can't be expressed as a proper fraction
It is equal to 21/2 which is a rational number
No. An irrational number is any number that is not a rational number; A rational number is any number that can be expressed as one integer over another integer. negative 3 over 4 is one integer (negative 3) over another integer (4), and so is a rational number.
The square root of 2 is irrational, and therefore, this equation is unsolvable.
Neither. It is not defined.